Home / 319,112.04-440,367.03-173,922.41

Finding the Fourth Proportional to 319,112.04, 440,367.03 and 173,922.41

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Solution

The fourth proportional to 319,112.04, 440,367.03 and 173,922.41 is: 240,008.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,112.04 : 440,367.03 = 173,922.41 : x
  2. Step 2: Convert to fraction form
    319,112.04/440,367.03 = 173,922.41/x
  3. Step 3: Cross multiply
    319,112.04x = 440,367.03 × 173,922.41
  4. Step 4: Simplify right side
    319,112.04x = 76,589,692,070.70
  5. Step 5: Solve for x
    x = 76,589,692,070.70/319,112.04
  6. Step 6: Final answer
    x = 240,008.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.